Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1985-03-05
1986-10-28
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
51161, 51255, B24B 1900
Patent
active
046190805
ABSTRACT:
A roll grinding apparatus which includes a housing adjoining a roll to be ground, guides attached to the housing which extend perpendicularly to the axis of the roll, a frame attached to the housing which is reciprocated along the guides, a piston and linkage for reciprocating the frame, inclined guides extending along the roll axis and inclined toward one end of the frame, a casing having a plurality of guide holes facing the roll and traversably mounted on the inclined guides, a cylinder and piston for reciprocating the casing laterally, a grindstone holder reciprocatively fitted in each of the guide holes, a rectangular grindstone held at the tip of the grindstone holder, and a double acting cylinder reciprocating each grindstone holder. In grinding a roll, the grindstone holder is moved out of the casing to press the grindstone against the roll surface. At the same time, the cylinder and piston for reciprocating the casing is actuated to reciprocate the casing along the inclined guides. The grindstone grinds the roll surface while spirally moving back and forth. The amount of grinding is controlled by adjusting the force with which the grindstone is pressed against the roll and the time during which grinding is continued. When no grinding is needed at a particular location on the roll surface, an individual grindstone holder at that location is withdrawn, thereby detaching the grindstone from the roll surface.
REFERENCES:
patent: 2461459 (1949-02-01), Wilkes
patent: 3165865 (1965-01-01), Bousquet et al.
patent: 4516212 (1985-05-01), Nagashima
Japanese Patent Application Laid-Open No. 145356/1979, Titled: Roll Grinding Device in Rolling Mill Stand.
Morita Kiyoshi
Okamoto Yoshiyuki
Sato Kazuhiko
Uryu Shunji
Nippon Steel Corporation
Rachuba Maurina
Schmidt Frederick R.
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